- Born on February 20, 1912 in Stavelot
- Deceased on April 23, 1996 in Woluwe-Saint-Lambert, at the age of 84 years
Parents
- Grégoire t'Serstevens (1870 - 1951), écuyer, bourgmestre de Baillonville
- Émilie Massange (1871 - 1934)
Family
- Married on June 19, 1946 in Brussels, with Monique van de Walle de Ghelcke (1911 - 1999), issuing
- Private